/**
 * Face Library Styles v2.0
 * - Zone de drop dédiée avec progression
 * - Modal de confirmation avec score de similarité
 * - Séparation de visages
 * - Animations
 */

/* ============================================================================
   Section Container
   ============================================================================ */

.face-library-section {
    background: var(--card-bg, #1a1a1a);
    border-radius: 12px;
    padding: 16px;
    margin-top: 16px;
}

.face-library-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    gap: 12px;
}

.face-library-title {
    display: flex;
    align-items: center;
    gap: 8px;
}

.face-library-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #fff);
}

.face-library-count {
    font-size: 12px;
    color: var(--text-secondary, #888);
}

.face-library-controls {
    display: flex;
    gap: 8px;
}

.face-library-sort {
    background: var(--card-bg-hover, #252525);
    border: 1px solid var(--border-color, #333);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 12px;
    color: var(--text-primary, #fff);
    cursor: pointer;
}

.face-library-sort:focus {
    outline: none;
    border-color: var(--primary-color, #6366f1);
}

/* ============================================================================
   Dropzone
   ============================================================================ */

.face-library-dropzone {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 60px;
    border: 2px dashed var(--border-color, #333);
    border-radius: 8px;
    margin-bottom: 12px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.face-library-dropzone:hover {
    border-color: var(--primary-color, #6366f1);
    background: rgba(99, 102, 241, 0.05);
}

.face-library-dropzone.drag-over {
    border-color: var(--primary-color, #6366f1);
    background: rgba(99, 102, 241, 0.1);
    transform: scale(1.02);
}

.face-library-dropzone.processing {
    cursor: wait;
    pointer-events: none;
}

.dropzone-content {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary, #888);
    font-size: 13px;
}

.dropzone-icon {
    width: 20px;
    height: 20px;
    stroke: var(--text-secondary, #888);
}

.dropzone-progress {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 0;
}

.progress-bar {
    width: 100%;
    max-width: 200px;
    height: 4px;
    background: var(--card-bg-hover, #252525);
    border-radius: 2px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color, #6366f1);
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    font-size: 12px;
    color: var(--text-secondary, #888);
}

/* ============================================================================
   Groups Grid
   ============================================================================ */

.face-groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 10px;
}

.face-group-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    background: var(--card-bg-hover, #252525);
}

.face-group-item:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.face-group-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.face-group-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 4px 6px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.face-group-name {
    font-size: 10px;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 60%;
}

.face-group-badge {
    font-size: 9px;
    background: var(--primary-color, #6366f1);
    color: #fff;
    padding: 2px 5px;
    border-radius: 10px;
    font-weight: 600;
}

.face-group-item.has-merge .face-group-badge {
    background: var(--success-color, #22c55e);
}

.merge-indicator {
    position: absolute;
    top: 4px;
    right: 4px;
    font-size: 16px;
    color: var(--success-color, #22c55e);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
}

/* ============================================================================
   Empty State
   ============================================================================ */

.face-library-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    text-align: center;
    color: var(--text-secondary, #888);
}

.face-library-empty p {
    margin: 0;
    font-size: 12px;
}

/* ============================================================================
   Context Menu
   ============================================================================ */

.face-group-menu {
    position: fixed;
    z-index: 1000;
    min-width: 160px;
    background: var(--card-bg, #1a1a1a);
    border: 1px solid var(--border-color, #333);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    padding: 4px 0;
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
}

.face-group-menu.visible {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.face-group-menu button {
    display: block;
    width: 100%;
    padding: 8px 12px;
    background: transparent;
    border: none;
    color: var(--text-primary, #fff);
    font-size: 13px;
    text-align: left;
    cursor: pointer;
    transition: background 0.1s ease;
}

.face-group-menu button:hover {
    background: var(--card-bg-hover, #252525);
}

.face-group-menu button.danger {
    color: var(--error-color, #ef4444);
}

.face-group-menu button.danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

/* ============================================================================
   Modal (View All Faces & Merge Preview)
   ============================================================================ */

.face-modal {
    position: fixed;
    inset: 0;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s;
}

.face-modal.visible {
    opacity: 1;
    visibility: visible;
}

.face-modal-content {
    background: var(--card-bg, #1a1a1a);
    border-radius: 12px;
    max-width: 90vw;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.face-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color, #333);
}

.face-modal-header h3 {
    margin: 0;
    font-size: 16px;
    color: var(--text-primary, #fff);
}

.close-modal {
    background: transparent;
    border: none;
    color: var(--text-secondary, #888);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.close-modal:hover {
    color: var(--text-primary, #fff);
}

/* View All Faces Grid */
.face-modal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 12px;
    padding: 20px;
    max-height: 60vh;
    overflow-y: auto;
}

.face-modal-item {
    aspect-ratio: 1;
    border-radius: 8px;
    overflow: hidden;
    background: var(--card-bg-hover, #252525);
}

.face-modal-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Merge Preview */
.merge-preview-body {
    padding: 24px;
}

.merge-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 24px;
}

.merge-before,
.merge-after {
    text-align: center;
}

.merge-before h4,
.merge-after h4 {
    margin: 0 0 8px 0;
    font-size: 12px;
    color: var(--text-secondary, #888);
    font-weight: 500;
}

.merge-before img,
.merge-after img {
    width: 128px;
    height: 128px;
    border-radius: 8px;
    object-fit: cover;
}

.merge-arrow {
    font-size: 24px;
    color: var(--primary-color, #6366f1);
}

.merge-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ============================================================================
   Group States (Merging, Suggested)
   ============================================================================ */

.face-group-item.merging {
    animation: pulse-merge 1s infinite;
    box-shadow: 0 0 0 2px var(--primary-color, #6366f1);
}

.face-group-item.merge-suggested {
    box-shadow: 0 0 0 2px var(--primary-color, #6366f1), 0 4px 12px rgba(99, 102, 241, 0.3);
    transform: scale(1.05);
}

@keyframes pulse-merge {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ============================================================================
   Merge Suggestion Toast (Positioned with Preview)
   ============================================================================ */

.merge-suggestion-toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1002;
    background: var(--card-bg, #1a1a1a);
    border: 1px solid var(--primary-color, #6366f1);
    border-radius: 12px;
    padding: 16px;
    max-width: 320px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(99, 102, 241, 0.3);
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.merge-suggestion-toast.positioned {
    /* Override bottom/right when positioned near group */
    bottom: auto;
    right: auto;
}

.merge-suggestion-toast.visible {
    opacity: 1;
    transform: translateY(0);
}

.merge-suggestion-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.merge-suggestion-header span {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary, #fff);
    line-height: 1.3;
}

.dismiss-toast {
    background: transparent;
    border: none;
    color: var(--text-secondary, #888);
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    margin-left: 8px;
}

.dismiss-toast:hover {
    color: var(--text-primary, #fff);
}

.merge-suggestion-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-bottom: 12px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.merge-suggestion-preview img {
    width: 56px;
    height: 56px;
    border-radius: 6px;
    object-fit: cover;
    border: 2px solid var(--border-color, #333);
}

.merge-suggestion-preview .plus-sign,
.merge-suggestion-preview .equals-sign {
    font-size: 16px;
    color: var(--text-secondary, #888);
    font-weight: bold;
}

.merge-result-placeholder {
    width: 56px;
    height: 56px;
    border-radius: 6px;
    background: linear-gradient(135deg, var(--primary-color, #6366f1) 0%, #8b5cf6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    font-weight: bold;
}

.merge-suggestion-text {
    font-size: 12px;
    color: var(--text-secondary, #888);
    margin-bottom: 12px;
}

.toast-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* ============================================================================
   Merge Preview with Multiple Sources
   ============================================================================ */

.merge-sources {
    text-align: center;
}

.merge-sources h4 {
    margin: 0 0 8px 0;
    font-size: 12px;
    color: var(--text-secondary, #888);
    font-weight: 500;
}

.merge-sources-grid {
    display: flex;
    gap: 6px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.merge-source-thumb {
    width: 64px;
    height: 64px;
    border-radius: 6px;
    object-fit: cover;
    border: 2px solid var(--border-color, #333);
}

.merge-result-thumb {
    width: 128px;
    height: 128px;
    border-radius: 8px;
    object-fit: cover;
    border: 3px solid var(--success-color, #22c55e);
}

.more-faces {
    font-size: 12px;
    color: var(--text-secondary, #888);
    padding: 4px 8px;
    background: var(--card-bg-hover, #252525);
    border-radius: 4px;
}

/* Face resolution indicator */
.face-modal-item {
    position: relative;
}

.face-resolution {
    position: absolute;
    bottom: 4px;
    right: 4px;
    font-size: 9px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--text-secondary, #888);
    padding: 2px 4px;
    border-radius: 3px;
}

/* ============================================================================
   Button Styles (reuse from main styles or define here)
   ============================================================================ */

.btn-primary {
    background: var(--primary-color, #6366f1);
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.15s ease;
}

.btn-primary:hover {
    background: var(--primary-hover, #5457e5);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary, #fff);
    border: 1px solid var(--border-color, #333);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-secondary:hover {
    background: var(--card-bg-hover, #252525);
    border-color: var(--text-secondary, #888);
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--text-secondary, #888);
    padding: 8px 12px;
    font-size: 13px;
    cursor: pointer;
    transition: color 0.15s ease;
}

.btn-text:hover {
    color: var(--text-primary, #fff);
}

/* ============================================================================
   Multi-drop indicator on source zone
   ============================================================================ */

.source-zone.multi-drop-active {
    border-color: var(--primary-color, #6366f1);
    background: rgba(99, 102, 241, 0.1);
}

.source-zone .drop-count {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--primary-color, #6366f1);
    color: #fff;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}

/* ============================================================================
   Confirmation Modal (for grouping decisions)
   ============================================================================ */

.confirmation-modal .confirmation-content {
    width: 400px;
    max-width: 95vw;
}

.confirmation-body {
    padding: 24px;
    text-align: center;
}

.confirmation-comparison {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 20px;
}

.confirmation-face {
    text-align: center;
}

.confirmation-face h4 {
    margin: 0 0 8px 0;
    font-size: 12px;
    color: var(--text-secondary, #888);
    font-weight: 500;
}

.confirmation-face img {
    width: 100px;
    height: 100px;
    border-radius: 8px;
    object-fit: cover;
    border: 3px solid var(--border-color, #333);
}

.confirmation-face.new-face img {
    border-color: var(--primary-color, #6366f1);
}

.confirmation-face .face-count {
    display: block;
    font-size: 11px;
    color: var(--text-secondary, #888);
    margin-top: 4px;
}

.confirmation-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.similarity-score {
    font-size: 22px;
    font-weight: 700;
    color: var(--primary-color, #6366f1);
}

.similarity-label {
    font-size: 10px;
    color: var(--text-secondary, #888);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.confirmation-question {
    margin: 0 0 20px 0;
    font-size: 14px;
    color: var(--text-primary, #fff);
}

.confirmation-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.confirmation-actions .btn-primary,
.confirmation-actions .btn-secondary {
    min-width: 120px;
}

/* ============================================================================
   View All Faces Modal - Enhanced
   ============================================================================ */

.face-modal-content.wide {
    width: 700px;
    max-width: 95vw;
}

.modal-header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.face-sort-select {
    background: var(--bg-secondary, #1a1a2e);
    color: var(--text-primary, #fff);
    border: 1px solid var(--border-color, #333);
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
}

.btn-text {
    background: transparent;
    border: none;
    color: var(--primary-color, #6366f1);
    font-size: 12px;
    cursor: pointer;
    padding: 6px 10px;
}

.btn-text:hover {
    text-decoration: underline;
}

/* Selection Actions Bar */
.selection-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    background: rgba(99, 102, 241, 0.1);
    border-bottom: 1px solid var(--border-color, #333);
}

.selection-count {
    font-size: 13px;
    color: var(--text-secondary, #888);
    margin-right: auto;
}

.selection-actions .btn-secondary {
    padding: 6px 12px;
    font-size: 12px;
}

.selection-actions .btn-secondary.danger {
    background: rgba(239, 68, 68, 0.2);
    border-color: rgba(239, 68, 68, 0.5);
    color: #ef4444;
}

.selection-actions .btn-secondary.danger:hover {
    background: rgba(239, 68, 68, 0.3);
}

/* Face Modal Item - Selectable */
.face-modal-item.selectable {
    position: relative;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    border: 2px solid transparent;
    border-radius: 8px;
}

.face-modal-item.selectable:hover {
    transform: scale(1.03);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

.face-modal-item.selectable.selected {
    border-color: var(--primary-color, #6366f1);
    background: rgba(99, 102, 241, 0.1);
}

.face-modal-item.selectable.is-representative {
    border-color: #f59e0b;
}

/* Checkbox */
.face-checkbox {
    position: absolute;
    top: 6px;
    left: 6px;
    width: 18px;
    height: 18px;
    cursor: pointer;
    z-index: 2;
    accent-color: var(--primary-color, #6366f1);
}

/* Face Item Info */
.face-item-info {
    position: absolute;
    bottom: 6px;
    left: 6px;
    right: 6px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.face-resolution {
    font-size: 10px;
    background: rgba(0, 0, 0, 0.7);
    padding: 2px 6px;
    border-radius: 4px;
    color: #fff;
}

.face-representative-badge {
    color: #f59e0b;
    font-size: 14px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

/* Face Item Actions (on hover) */
.face-item-actions {
    position: absolute;
    top: 4px;
    right: 4px;
    display: flex;
    gap: 4px;
    opacity: 0;
    transition: opacity 0.15s ease;
}

.face-modal-item.selectable:hover .face-item-actions {
    opacity: 1;
}

.face-action-btn {
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease;
}

.face-action-btn.set-representative {
    background: rgba(245, 158, 11, 0.8);
    color: #fff;
}

.face-action-btn.set-representative:hover {
    background: rgba(245, 158, 11, 1);
}

.face-action-btn.separate-face {
    background: rgba(99, 102, 241, 0.8);
    color: #fff;
}

.face-action-btn.separate-face:hover {
    background: rgba(99, 102, 241, 1);
}

.face-action-btn.delete-face {
    background: rgba(239, 68, 68, 0.8);
    color: #fff;
}

.face-action-btn.delete-face:hover {
    background: rgba(239, 68, 68, 1);
}

/* Face Modal Hint */
.face-modal-hint {
    margin: 0;
    padding: 8px 20px;
    font-size: 12px;
    color: var(--text-secondary, #888);
    background: rgba(99, 102, 241, 0.1);
    text-align: center;
}

/* ============================================================================
   Pending Confirmation Badge & Dropdown
   ============================================================================ */

.face-group-item.has-pending {
    border: 2px solid #f59e0b;
    animation: pulse-pending 2s infinite;
}

@keyframes pulse-pending {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4);
    }
    50% {
        box-shadow: 0 0 0 6px rgba(245, 158, 11, 0);
    }
}

.pending-confirmation-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background: #f59e0b;
    border-radius: 12px;
    padding: 4px 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    z-index: 5;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    transition: transform 0.15s ease;
}

.pending-confirmation-badge:hover {
    transform: scale(1.1);
}

.pending-count {
    font-size: 14px;
    font-weight: 700;
    color: #000;
    line-height: 1;
}

.pending-label {
    font-size: 8px;
    color: rgba(0, 0, 0, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* Dropdown */
.pending-confirmations-dropdown {
    background: var(--bg-tertiary, #1e1e2f);
    border: 1px solid var(--border-color, #333);
    border-radius: 12px;
    width: 300px;
    max-height: 400px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: flex;
    flex-direction: column;
}

.dropdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: rgba(245, 158, 11, 0.1);
    border-bottom: 1px solid var(--border-color, #333);
}

.dropdown-header h4 {
    margin: 0;
    font-size: 13px;
    color: var(--text-primary, #fff);
}

.close-dropdown {
    background: none;
    border: none;
    color: var(--text-secondary, #888);
    font-size: 20px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.close-dropdown:hover {
    color: var(--text-primary, #fff);
}

.dropdown-items {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.pending-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: 8px;
    margin-bottom: 6px;
    background: var(--bg-secondary, #1a1a2e);
    transition: background 0.15s ease;
}

.pending-item:hover {
    background: rgba(99, 102, 241, 0.1);
}

.pending-face-thumb {
    width: 48px;
    height: 48px;
    border-radius: 6px;
    object-fit: cover;
}

.pending-info {
    flex: 1;
}

.pending-similarity {
    font-size: 12px;
    color: var(--text-secondary, #888);
}

.pending-actions {
    display: flex;
    gap: 4px;
}

.btn-mini {
    width: 28px;
    height: 28px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease, transform 0.1s ease;
}

.btn-mini:hover {
    transform: scale(1.1);
}

.btn-mini.confirm-add {
    background: #22c55e;
    color: #fff;
}

.btn-mini.create-new {
    background: #6366f1;
    color: #fff;
}

.btn-mini.skip-face {
    background: #ef4444;
    color: #fff;
}

.dropdown-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color, #333);
}

.dropdown-footer .btn-secondary {
    width: 100%;
    padding: 10px;
    font-size: 13px;
}

/* ============================================================================
   Empty State Hint
   ============================================================================ */

.empty-hint {
    display: block;
    font-size: 11px;
    color: var(--text-tertiary, #666);
    margin-top: 8px;
    opacity: 0.8;
}

/* ============================================================================
   Animations
   ============================================================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.face-group-item.new-item {
    animation: fadeInUp 0.3s ease;
}

@keyframes pulse-primary {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(99, 102, 241, 0);
    }
}

.confirmation-face.new-face img {
    animation: pulse-primary 2s infinite;
}

/* ============================================================================
   Responsive
   ============================================================================ */

@media (max-width: 768px) {
    .face-groups-grid {
        grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
        gap: 8px;
    }

    .face-group-name {
        font-size: 9px;
    }

    .face-modal-content {
        max-width: 95vw;
        max-height: 85vh;
    }

    .merge-comparison {
        flex-direction: column;
        gap: 16px;
    }

    .merge-arrow {
        transform: rotate(90deg);
    }

    .confirmation-comparison {
        flex-direction: column;
        gap: 12px;
    }

    .confirmation-face img {
        width: 80px;
        height: 80px;
    }

    .confirmation-arrow {
        flex-direction: row;
        gap: 8px;
    }

    .confirmation-actions {
        flex-direction: column;
    }

    .confirmation-actions .btn-primary,
    .confirmation-actions .btn-secondary {
        width: 100%;
    }
}